题目

下列变形中，属于移项的是（） A . 由5x=3x﹣2，得5x﹣3x=﹣2 B . 由 =4，得2x+1=12 C . 由y﹣（1﹣2y）=5得y﹣1+2y=5 D . 由8x=7得x= 答案：AMrs. Baker’s sister was ill. She had someone to look after her from Monday to Friday, but not at the weekend, so every Friday evening Mrs. Baker used to go off to spend the weekend with her at her home in a neighbouring town. But as Mr. Baker could not cook, she had arranged (安排) for his sister to come over and spend the weekend looking after him at their home. This meant that Mr. Baker had busy time when he came home from work on Friday evenings. First he had to drive home from the railway station. Then he had to drive his wife to the station to catch her train. And then he had to wait until his sister’s train arrived, so as to take her to his house.Of course, on Sunday evening he had to drive his sister to the station to catch her train back home, and then wait for his wife’s train, so as to bring her home.One Sunday evening, he had seen his sister off on her train and was waiting for his wife’s arrival when a porter ( 搬运工 ), who had often seen him at the station, came over and spoke to him, “You are having a lot of fun,” he said, “ But one day one of those women is going to catch you with the other, and then you will be in real trouble!”1.Who was ill?  ___________A.Mr. BakerB.Mrs. BakerC.Mr. Baker’s sisterD.Mrs. Baker’s sister2.Who looked after the sick person on weekdays?A.Mr. Baker’s sisterB.Mrs. Baker’s sisterC.Mrs. BakerD.Someone acting as a nurse3.Why did Mr. Baker go to the railway station on Friday and Sunday evening? __________A.Because he had to see his wife and sister off and brought them homeB.To take his sister to his own homeC.To bring his wife back homeD.To look after his sister4.Where did Mr. Baker spend the weekend?  ___________A.At homeB.In his officeC.In his sister’s homeD.In a neighbouring town5.Why did the porter say Mr. Baker would be in trouble?   Because __________A.Mr. Baker was making fun of the two ladiesB.Mrs. Baker would laugh at her husbandC.He thought the two women are Mr. Baker’s girl friendsD.The two ladies were playing games with Mr. Baker